Fns
abbr. flask-nitrogen supply 细颈瓶氮供应品
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
Not a chance!
门儿都没有！
I read a few lines, but I did not understand a word.
我读了几行，但一个字也不懂。